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AD9122:  Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-Analog Converter

Product Details


The AD9122 is a dual 16-bit, high dynamic range, digital-to-analog converter (DAC) that provides a sample rate of 1200 MSPS, permitting a multicarrier generation up to the Nyquist frequency. It includes features optimized for direct conversion transmit applications, including complex digital modulation, and gain and offset compensation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators, such as the ADL537x F-MOD series from Analog Devices, Inc. A 4-wire serial port interface provides for programming/readback of many internal parameters. Full-scale output current can be programmed over a range of 8.7 mA to 31.7 mA. The AD9122 comes in a 72-lead LFCSP.

The AD9122-EP supports defense and aerospace applications (AQEC).

Product Highlights

  1. Ultralow noise and intermodulation distortion (IMD) enable high quality synthesis of wideband signals from baseband to high intermediate frequencies.
  2. A proprietary DAC output switching technique enhances dynamic performance.
  3. The current outputs are easily configured for various single-ended or differential circuit topologies.
  4. Flexible LVDS digital interface allows the standard 32-wire bus to be reduced to ½ or ¼ of the width.

Applications

  • Wireless infrastructure
  • W-CDMA, CDMA2000, TD-SCDMA, WiMAX, GSM, LTE
  • Digital high or low IF synthesis
  • Transmit diversity
  • Wideband communications: LMDS/MMDS, point-to-point

FEATURES and BENEFITS

  • Flexible LVDS interface allows word, byte, or nibble load
  • Single-carrier W-CDMA ACLR = 82 dBc @ 122.88 MHz IF
  • Analog output: adjustable 8.7 mA to 31.7 mA, RL = 25 Ω to 50 Ω
  • Novel 2×/4×/8× interpolator/complex modulator allows carrier placement anywhere in the DAC bandwidth
  • Digital gain and phase adjustment for sideband suppression
  • Multiple chip synchronization interfaces
  • See Data Sheet for additional features

AD9122-EP Supports defense and aerospace applications (AQEC)

  • Download AD9122-EP Data Sheet (pdf)
  • Military temperature range
    (such as −55°C to +105°C)
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request
  • V62/12654 DSCC Drawing Number

Functional Block Diagram for AD9122

For evaluation of all Analog Devices High Speed DAC components you will need to purchase or loan a Data Pattern Generator. To find out more information please click here.

Documentation

Title Content Type File Type
AD9122: Dual, 16-Bit, 1230 MSPS, TxDAC+® Digital-to-Analog Converter Data Sheet (Rev B, 05/2011) (pdf, 1282 kB) Data Sheets PDF
AN-1093: Synchronization of Multiple AD9122 TxDAC+ Converters  (pdf, 208 kB) Application Notes PDF
CN-0205: Interfacing the ADL5375 I/Q Modulator to the AD9122 Dual Channel, 1.2 GSPS High Speed DAC  (pdf, 556 kB) Circuit Note PDF
CN-0243: High Dynamic Range RF Transmitter Signal Chain Using Single External Frequency Reference for DAC Sample Clock and IQ Modulator LO Generation  (pdf, 700 kB) Circuit Note PDF
Semiconductors Simplify Direct-Conversion Design
Advances in semiconductor processes have enabled integrated circuits with the performance needed for wireless infrastructure direct-conversion receivers for multimode communications systems.
(Microwaves & RF, 3/2010)
Technical Articles HTML
Trio of Analog Devices’ Best-in-Class High-Speed Transmit D/A Converters Target Aerospace and Defense Applications (14 Sep 2012) Press Releases HTML
Avnet Electronics Marketing Americas and Analog Devices Introduce the Agile Zynq™- 7000 EPP/Analog Devices Software-Defined Radio Kit (18 Jun 2012) Press Releases HTML
Digital to Analog Converters ICs Solutions Bulletin  (pdf) Solutions Bulletins PDF
Digital-to-Analog Converter ICs Solutions Bulletin, Volume 10, Issue 1  (pdf, 1809 kB) Solutions Bulletins PDF
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD9122 IBIS Model  (ibs) IBIS Models IBS
AD9122 Evaluation Board, DAC-FMC Interposer & Xilinx ML-605 Reference Design FPGA HDL HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

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Companion Products

Suggested Companion Products


Recommended Output Amplifiers for the AD9122
  • For a high speed, dual output amplifier, we recommend the AD8022 or the ADA4841-2.
Recommended Quadrature Modulators for the AD9122

Recommended Clock Drivers for the AD9122

Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD9122 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD9122BCPZ Status: Production 72 ld LFCSP (10x10mm, 6.0mm exposed pad) 72 Ind Tray, 168 $40.58 $34.50 Y  Material Info PCN Purchase Sample
AD9122BCPZRL Status: Production 72 ld LFCSP (10x10mm, 6.0mm exposed pad) 72 Ind Reel, 2000 - $34.50 Y  Material Info PCN Purchase
AD9122SCPZ-EP Status: Production 72 ld LFCSP (10x10mm, 6.0mm exposed pad) 72 Mil Tray, 168 $48.71 $41.40 Y  Material Info Notify Me Purchase
AD9122SCPZ-EP-RL Status: Production 72 ld LFCSP (10x10mm, 6.0mm exposed pad) 72 Mil Reel, 2000 - $41.40 Y  Material Info Notify Me Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

AD-DAC-FMC-ADP
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD-DAC-FMC-ADP Status: Production FMC to High-Speed DAC Evaluation Board Adaptor $125.00 Yes -
AD9122 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD9122-M5372-EBZ Status: Production Evaluation Board $495.00 Yes -
AD9122-M5375-EBZ Status: Production Evaluation Board $495.00 Yes -
AD-DAC-FMC-ADP Status: Production FMC to High-Speed DAC Evalution Board Adaptor $125.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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